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[SPARK-2403] Catch all errors during serialization in DAGScheduler #1329

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[SPARK-2403] Catch all errors during serialization in DAGScheduler #1329

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361e962
Catch all errors during serialization in DAGScheduler.
darabos Jul 8, 2014
52c22ba
Only catch NonFatal exceptions.
darabos Jul 8, 2014
3aceaad
Print full stack trace for miscellaneous exceptions during serializat…
darabos Jul 8, 2014
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5 changes: 5 additions & 0 deletions core/src/main/scala/org/apache/spark/scheduler/DAGScheduler.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,7 @@ import scala.concurrent.Await
import scala.concurrent.duration._
import scala.language.postfixOps
import scala.reflect.ClassTag
import scala.util.control.NonFatal

import akka.actor._
import akka.actor.OneForOneStrategy
Expand Down Expand Up @@ -768,6 +769,10 @@ class DAGScheduler(
abortStage(stage, "Task not serializable: " + e.toString)
runningStages -= stage
return
case NonFatal(e) => // Other exceptions, such as IllegalArgumentException from Kryo.
abortStage(stage, s"Task serialization failed: $e\n${e.getStackTraceString}")
runningStages -= stage
return
}

logInfo("Submitting " + tasks.size + " missing tasks from " + stage + " (" + stage.rdd + ")")
Expand Down